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2013年9月21日星期六

Dernières SASInstitute A00-201 examen pratique questions et réponses

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Code d'Examen: A00-201
Nom d'Examen: SASInstitute (SAS base programming exam)
Questions et réponses: 140 Q&As

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NO.1 The following SAS program is submitted:
data work.flights;
destination = 'CPH';
select(destination);
when('LHR') city = 'London';
when('CPH') city = 'Copenhagen';
otherwise;
end;
run;
Which one of the following is the value of the CITY variable?
A. London
B. Copenh
C. Copenhagen
D. ' ' (missing character value)
Answer: B

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NO.2 Which one of the following is true when SAS encounters a data error in a DATA step?
A. The DATA step stops executing at the point of the error, and no SAS data set is created.
B. A note is written to the SAS log explaining the error, and the DATA step continues to execute.
C. A note appears in the SAS log that the incorrect data record was saved to a separate SAS file for
further examination.
D. The DATA step stops executing at the point of the error, and the resulting DATA set contains
observations up to that point.
Answer: B

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NO.3 The following SAS program is submitted:
libname sasdata 'SAS-data-library';
data test;
set sasdata.chemists;
if jobcode = 'chem3'
then description = 'Senior Chemist';
else description = 'Unknown';
run;
A value for the variable JOBCODE is listed below:
JOBCODE
CHEM3
Which one of the following values does the variable DESCRIPTION contain?
A. chem3
B. Unknown
C. Senior Chemist
D. ' ' (missing character value)
Answer: B

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NO.4 The following SAS SORT procedure step generates an output data set:
proc sort data = sasuser.houses out = report;
by style;
run;
In which library is the output data set stored?
A. WORK
B. REPORT
C. HOUSES
D. SASUSER
Answer: A

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NO.5 The following SAS DATA step is submitted:
libname temp 'SAS-data-library';
data temp.report;
set sasuser.houses;
newvar = price * 1.04;
run;
Which one of the following statements is true regarding the program above?
A. The program is reading from a temporary data set and writing to a temporary data set.
B. The program is reading from a temporary data set and writing to a permanent data set.
C. The program is reading from a permanent data set and writing to a temporary data set.
D. The program is reading from a permanent data set and writing to a permanent data set.
Answer: D

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NO.6 The following SAS program is submitted:
data work.total;
set work.salary(keep = department wagerate);
by department;
if first.department then payroll = 0;
payroll + wagerate;
if last.department;
run;
The SAS data set WORK.SALARY, currently ordered by DEPARTMENT, contains 100 observations for
each of 5 departments.
Which one of the following represents how many observations the WORK.TOTAL data set contains?
A. 5
B. 20
C. 100
D. 500
Answer: A

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NO.7 The following SAS program is submitted:
data work.retail;
cost = '20000';
total = .10 * cost;
run;
Which one of the following is the value of the variable TOTAL in the output data set?
A. 2000
B. '2000'
C. . (missing numeric value)
D. ' ' (missing character value)
Answer: A

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NO.8 The SAS data set named WORK.TEST is listed below:
Which one of the following SAS programs created this data set?
A. data work.test;
capacity = 150;
if 100 le capacity le 200 then
airplanetype = 'Large' and staff = 10;
else airplanetype = 'Small' and staff = 5;
run;
B. data work.test;
capacity = 150;
if 100 le capacity le 200 then
do;
airplanetype = 'Large';
staff = 10;
end;
else
do;
airplanetype = 'Small';
staff = 5;
end;
run;
C. data work.test;
capacity = 150;
if 100 le capacity le 200 then
do;
airplanetype = 'Large';
staff = 10;
else
do;
airplanetype = 'Small'; airplanetype = 'Small';
staff = 5;
end;
run;
D. data work.test;D.data work.test;
capacity = 150;
if 100 le capacity le 200 then;
airplanetype = 'Small'; airplanetype = 'Small';
staff = 5;
else;
airplanetype = 'Large'; airplanetype = 'Large';
staff = 10;
run;
Answer: B

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NO.9 The contents of two SAS data sets named EMPLOYEE and SALARY are listed below:
The following SAS program is submitted:
data work.empsalary;
merge work.employee (in = inemp)
work.salary (in = insal);
by name;
if inemp and insal;
run;
How many observations will the data set WORK.EMPSALARY contain?
A. 2
B. 4
C. 5
D. 6
Answer: B

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NO.10 Which one of the following statements is true regarding the name of a SAS array?
A. It is saved with the data set.
B. It can be used in procedures.
C. It exists only for the duration of the DATA step.
D. It can be the same as the name of a variable in the data set.
Answer: C

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NO.11 The following SAS program is submitted:
data work.staff;
JobCategory = 'FA';
JobLevel = '1';
JobCategory = JobCategory || JobLevel;
run;
Which one of the following is the value of the variable JOBCATEGORY in the output data set?
A. FA
B. FA1
C. FA 1
D. ' ' (missing character value)
Answer: A

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NO.12 The contents of the raw data file FURNITURE are listed below:
----|----10---|----20---|----30
chair,,table
chair,couch,table
The following SAS program is submitted:
data stock;
infile 'furniture' dsd;
input item1 $ item2 $ item3 $;
run;
Which one of the following is the value of the variable named ITEM2 in the first observation of the output
data set?
A. table
B. ,table
C. . (missing numeric value)
D. ' ' (missing character value)
Answer: D

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NO.13 The following SAS program is submitted:
data work.month;
date = put('13mar2000'd,ddmmyy10.);
run;
Which one of the following represents the type and length of the variable DATE in the output data set?
A. numeric, 8 bytes
B. numeric, 10 bytes
C. character, 8 bytes
D. character, 10 bytes
Answer: D

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NO.14 The following SAS program is submitted:
proc means data = sasuser.houses std mean max;
var sqfeet; run;
Which one of the following is needed to display the standard deviation with only two decimal places?
A. Add the option MAXDEC = 2 to the MEANS procedure statement.
B. Add the statement MAXDEC = 7.2; in the MEANS procedure step.
C. Add the statement FORMAT STD 7.2; in the MEANS procedure step.
D. Add the option FORMAT = 7.2 option to the MEANS procedure statement.
Answer: A

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NO.15 The following SAS program is submitted:
libname rawdata1 'location of SAS data library';
filename rawdata2 'location of raw data file';
data work.testdata;
infile <insert item here>;
input sales1 sales2;
run;
Which one of the following is needed to complete the program correctly?
A. rawdata1
B. rawdata2
C. 'rawdata1'
D. 'rawdata2'
Answer: B

SASInstitute   A00-201   A00-201

NO.16 A raw data record is listed below:
----|----10---|----20---|----30
Printing 750
The following SAS program is submitted:
data bonus;
infile 'file-specification';
input dept $ 1 - 11 number 13 - 15;
<insert code here>
run;
Which one of the following SAS statements completes the program and results in a value of 'Printing750'
for the DEPARTMENT variable?
A. department = trim(dept) || number;
B. department = dept || input(number,3.);
C. department = trim(dept) || put(number,3.);
D. department = input(dept,11.) || input(number,3.);
Answer: C

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NO.17 Click the Exhibit button to view a listing of the SASUSER.HOUSES data set.
The following SAS program is submitted:
proc report data = sasuser.houses nowd headline;
column style price;
where price lt 100000;
<insert DEFINE statement here>
define price / mean width = 9;
title;
run;
The following ouput is created by the REPORT procedure:
Which one of the following DEFINE statements completes the above program and produces the above
output?
A. define style / order width = 9;
B. define style / group width = 9;
C. define style / across width = 9;
D. define style / display width = 9;
Answer: B

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NO.18 A raw data record is shown below:
07.an2002
Which one of the following informats would read this value and store it as a SAS date value?
A. date9.
B. ddmonyy9.
C. ddMMMyy9.
D. ddmmmyyyy9.
Answer: A

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NO.19 The contents of the raw data file CALENDAR are listed below:
----|----10---|----20---|----30
01012000
The following SAS program is submitted:
data test;
infile 'calendar';
input @1 date mmddyy10.;
if date = '01012000'd then event = 'January 1st';
run;
Which one of the following is the value of the EVENT variable?
A. 01012000
B. January 1st
C. . (missing numeric value)
D. The value can not be determined as the program fails to execute due to errors.
Answer: D

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NO.20 The following SAS program is submitted and reads 100 records from a raw data file:
data work.total;
infile 'file-specification' end = eof;
input name $ salary;
totsal + salary;
<insert IF statement here>
run;
Which one of the following IF statements writes the last observation to the output data set?
A. if end = 0;
B. if eof = 0;
C. if end = 1;
D. if eof = 1;
Answer: D

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2013年8月5日星期一

SASInstitute A01-250 A00-212 A00-211 A00-201 A00-202, de formation et d'essai

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Code d'Examen: A01-250

Nom d'Examen: SASInstitute (SAS Platform Administration)

Questions et réponses: 65 Q&As

Code d'Examen: A00-212

Nom d'Examen: SASInstitute (SAS Advanced Programming Exam for SAS 9)

Questions et réponses: 153 Q&As

Code d'Examen: A00-211

Nom d'Examen: SASInstitute (SAS Base Programming for SAS 9)

Questions et réponses: 218 Q&As

Code d'Examen: A00-201

Nom d'Examen: SASInstitute (SAS base programming exam)

Questions et réponses: 140 Q&As

Code d'Examen: A00-202

Nom d'Examen: SASInstitute (SAS advanced programming exam)

Questions et réponses: 85 Q&As

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NO.1 When reading a SAS data file, what does the NOBS=option on the SET statement
represent?
A. A variable that represents the total number of observation in the output data set(s)
B. A variable that represents a flag indicating the end of the file
C. A variable that represents the total number of observations in the input data set(s)
D. A variable that represents the current observation number
Answer: C

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NO.2 Given the SAS data set ONE:
ONE
DIVISION SALES
A 1234
A 3654
B 5678
The following SAS program is submitted:
Data_null_;
Set one;
By divition;
If first.division then
Do;
%let mfirst=sales;
end;
run;
What is the value of the macro variable MFRIST when the program finishes execution?
A. 1234
B. sales
C. 5678
D. null
Answer: B

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NO.3 The following SAS program is submitted:
Data sasuser.history;
Set sasuser.history(keep=state x y
Rename = (state=ST));
Total=sum(x,y);
Run;
The SAS data set SASUSER.HISTORY has an index on the variable STATE.
Which describes the result of submitting the SAS program?
A. The index on STATE is deleted and an index on ST is created
B. The index on STATE is recreated as an index on ST
C. The index on STATE is deleted
D. The index on STATE is updated as an index on ST
Answer: C

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NO.4 The following SAS program is submitted:
%micro test(var);
%let jobs=BLACKSMITH WORDSMITH SWORDSMITH;
%let type=%index(&jobs,&var);
%put type = &type;
%mend;
%test(SMITH)
What is the value of the macro variable TYPE when the %PUT statement executes?
A. 0
B. Null
C. 6
D. 3
Answer: C

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NO.5 Which SET statements option names a variable that contains the number of the
observation to read during the current iteration of the DATA step? A. OBS=pointobs
B. POINT=pointobs
C. KEY=pointobs
D. NOBS=pointobs
Answer: B

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NO.6 Given the SAS data sets ONE and TWO:
The following SAS program is submitted:
Proc sql;
Select two.*,budget from one <insert JOIN operator here> two on one.year=two.year,
Quit;
The following output is desired:
Which JOIN operator completes the program and generates the desired output? A. FULL JOIN
B. INNER JOIN
C. LEFT JOIN
D. RIGHT JOIN
Answer: A

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NO.7 Which SET statement option names a variable that contains the number of the
observation to read during the current iteration of the DATA step? A. NOBS=pointobs
B. OBS=pointobs
C. KEY=pointobs
D. POINT=pointobs
Answer: D

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NO.8 CORRECT TEXT
The following SAS program is submitted:
%macro check(num=4);
%let result=%sysevalf(&num+0.5);
%put result is &result;
%mend;
%check(num=10)
What is the written to the SAS log?
result is
result is 10
result is 10.5
result is 10+0.5
Answer: C

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NO.9 The following SAS program is submitted:
%macro check(num=4);
%let result=%eval(&nm gt 5);
%put result is &result;
%mend;
%check (num=10)
What is written to the SAS log?
A. result is true
B. result is 10 gt 5
C. result is 1
D. result is 0
Answer: C

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NO.10 The following SAS program is submitted:
%let a=cat;
%macro animal(a=frog);
%let a=bird;
%mend;
%animal(a=pig)
%put a is &a;
What is written to the SAS log?
A. a is pig
B. a set cat
C. a is frog
D. a is bird
Answer: B

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NO.11 Given the SAS data set SAUSER.HIGWAY:
SASUSER.HIGHWAY
The following SAS program is submitted:
%macro highway;
proc sql nonprint;
%let numgrp=6;
select distinct status into:group1-:group&numgrp from sasuser.highway;
quit;
%do i=1 %to &numgrp;
proc print data =sasuser.highway;
where status ="&&group&I";
run;
%end;
%mend;
%highway
How many reports are produced?
A. 2
B. 6
C. 0
D. 5
Answer: A

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NO.12 The following SAS program is submitted:
data temp;
length 1 b 3 x;
infile 'file reference';
input a b x;
run;
What is the result?
A. The data set TEMP is not created because variables A and B have invalid lengths
B. The data set TEMP is created, but variable X is not created
C. The data set TEMP is not created because variable A has an invalid length
D. The data set TEMP is created and variable X has a length of 8
Answer: C

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NO.13 The following SAS program is submitted:
date view=sauser.ranch;
describe;
run;
What is the result?
A. The program creates a DATA step view called SASUSER.RANCH and places the
program cod in the current editor window
B. The program retrieves the SAS source code that creates the view and places it in the
output window
C. The program creates a DATA step view called SASUSER.RANCH and places it in the
SAS log
D. the program retrieves the SAS source code that creates the view and places it in the
SAS log
Answer: D

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NO.14 The following SAS program is submitted:
%let first=yourname;
%let last=first;
%put &&&last;
What is written to the SAS Log?
A. First
B. Yourname
C. &&First
D. &yourname
Answer: B

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NO.15 Which SQL procedure program deletes rows from the data set CLASS? A. proc sql;
Select * from class
Where age<(select stop_age from threshold);
Quit;
B. proc sql;
Modify table class
Delete where age<(select stop_age from threshold);
Quit
C. proc sql;
Delete from class
Where age<(select stop_age from threshold);
Quit;
D. proc sql;
Alter from class
Delete where age<(select stop_age from threshold);
Quit;
Answer: C

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NO.16 The SAS data set WORK.TEMPDATA contains the variables FMTNAME, START and
LABEL and it consists of 10 observations.
The following SAS program is submitted:
Proc format cntlin=wor.tempdata;
Run;
What is the result of submitting the FORMAT procedure step?
A. It uses the WORK.TEMPDATA SAS data set as input to create the format
B. All formats created will be stored in two WORK.TEMPDATA SAS data set
C. An ERROR message is written to the SAS log because the program is incomplete
D. NO formats are created in this step
Answer: A

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NO.17 The following SAS program is submitted:
%let dept=prod;
%let prod=merchandise;
The following message is written to the SAS log:
The value is "merchandise"
Which SAS System option writes this message to the SAS log? A. %put the value is "&&&dept";
B. %put the value is "&&&dept";
C. %put the value is "&&&dept";
D. %put the value is %quote(&&&dept);
Answer: A

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NO.18 Which SAS procedure changes the name of a permanent format for a variable stored in a SAS data
set?
A. DATASETS
B. MODIFY
C. FORMAT
D. REGISTRY
Answer: A

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NO.19 The following SAS program is submitted:
%macro check(num=4);
%let result=%sysevalf(&num+0.5);
%put result is &result;
%mend;
%check(num=10)
What is the written to the SAS log?
A. result is
B. result is 10.5
C. result is 10+0.5
D. result is 10
Answer: B

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NO.20 The following SAS program is submitted:
%macro one(input);
%two;
%put the value is &date;
%mend;
%macro two;
data _null_;
call symput('date','12SEP2008');
run;
%mend;
%let date=31DEC2006;
%one(&date)
What is the result when the %PUT statement executes.?
A. A macro variable DATE with the value 12SEP2008 is retrieved from the local symbol
table for the ONE macro
B. A macro variable DATE with the value 12SEP2008 is retrieved from the local symbol
table for the TWO macro
C. A macro variable DATE with the value 12SEP2008 is retrieved from the global
symbol table
D. A macro variable DATE with the value 31DEC2006 is retrieved from the global
symbol table
Answer: C

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